Replication Materials for: Thinking Ideologically: The Limited Role of Left and Right Labels as Policy Shortcuts
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Authors: Lachance, Sarah & Clareta, Treger                 

This archive contains the replication package for the article submitted to Public Opinion Quarterly. It includes the dataset, codebook, and replication script used to reproduce all results presented in the main analysis and supplementary materials.
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Contents
* POQ_Replication_Script.R
The R script that replicates all tables and figures reported in the main text and supplementary material.
* df_repli.Rda
The replication dataset in R binary format.
* codebook.csv
A codebook describing all variables in df_repli.Rda, including variable names, types, ranges, levels, and missing values.
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Software Environment
The replication script was developed and tested in:
* R version: 4.4.3 (2025-02-28 ucrt)
* Platform: x86_64-w64-mingw32/x64
* Operating System: Windows 11 x64 (build 26100)
The script uses widely available R packages (e.g., tidyverse, lmtest, sandwich, stargazer, xtable, ggeffects, margins, estimatr, etc.). All package calls are included at the beginning of the script.
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Instructions for Replication
1. Open POQ_Replication_Script.R in R or RStudio.
2. Load the replication dataset df_repli.Rda into the working environment.
3. Run the script from start to finish.
o All tables and figures in the paper and supplementary materials will be reproduced.
o Output files (figures, LaTeX tables) are saved to the working directory.
4. Refer to codebook.csv for detailed information about variable coding and missing values.

